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Tool: Matrices: Basic Definitions and Operations
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Go to: http://www.math.csusb.edu/math110/src/matrices/basics.html (opens a new window)
Description: This shows users the mechanics of matrix muliplication using color coding and how each entry in the solution matrix is derived. The user can scroll down and practice multiplying matrices. After determining if the matrices can or cannot be multiplied the user clicks on the appropriate button. Unfortunately, the majority of the problems cannot be mutliplied. For those that can be multiplied users are required to give the dimensions of the answer matrix and then type in the entry for the solution matrix. Feedback is given for all user entries.
Technology Type: Java Applet 
Authors: D. Fischman
J.T. Hallett
D. Rinne
P.D. Williams
Language: English 
Cost: Does not require payment for use

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Courses: Algebra II Matrices
PreCalculus operations with matrices

Developer Review (Not based on classroom experience)
Reviewer: ramana, Apr 27 2005 10:06:19:480PM
Appropriate for: applications of a concept or technique
Ability to meet my goals: Effective
Recommended for:
Algebra: Number Systems, Linear Equations
Algebra II: Solving systems of equations, Quadratic Equations, Conic sections
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